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The specific heat of silver is 0.24 Jigº C. How many joules of energy are

needed to warm 4.37 g of silver from 25.0°C to 27.5°C ?*
a. 45.5 J
b. 2.62 J
c. 0.14 J
d. 0.022

User Erxin
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1 Answer

2 votes

Final answer:

The heat energy required to warm 4.37 g of silver from 25.0°C to 27.5°C is 2.62 J.

Step-by-step explanation:

The formula to calculate the heat involved in raising the temperature of a substance is:

Q = m * c * ΔT

where Q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.

Given that the specific heat of silver is 0.24 J/gº C and the mass is 4.37 g, and the change in temperature is 27.5°C - 25.0°C = 2.5°C, we can substitute these values into the formula:

Q = 4.37 g * 0.24 J/gº C * 2.5°C

Simplifying the equation gives:

Q = 2.62 J

Therefore, the answer is 2.62 J (option b).

User Jammycakes
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